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Peak Streamflow for Texas

USGS 08471500 Rio Grande at Hidalgo, TX

Hidalgo County, Texas
Hydrologic Unit Code 13090002
Latitude  2606'00", Longitude  9816'00" NAD27
Drainage area 176,100  square miles
Contributing drainage area 176,100  square miles
Gage datum 0 feet above sea level NGVD29
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1928 Sep. 25, 1928   47,5006
1929 May 27, 1929   22,4006
1930 Jun. 15, 1930   43,2006
1931 Jul. 20, 1931   38,2006
1932 Sep. 7, 1932   83,8306
1933 Oct. 2, 1932   83,8706
1934 Oct. 5, 1933   52,8206
1935 Sep. 12, 1935   69,0006
1936 Jul. 2, 1936   47,4006
1937 Oct. 1, 1936   47,4006
1938 Sep. 2, 1938   83,2006
1939 Oct. 1, 1938   49,9006
1940 Jun. 27, 1940   54,0006
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1941 Sep. 13, 1941 99.56 52,3006
1942 Jul. 9, 1942 99.65 53,0006
1943 Oct. 8, 1942 95.91 35,0006
1944 Sep. 2, 1944   57,0006
1945 Apr. 23, 1945 92.04 22,0006
1946 Oct. 13, 1945 99.80 49,3006
1947 Oct. 11, 1946 97.73 39,8006
1948 Sep. 14, 1948   57,8006
1949 Apr. 28, 1949   52,8006
1950 May 29, 1950 92.42 25,0006
1951 Sep. 18, 1951 98.71 40,3006
1959 Oct. 19, 1958   37,1006,7
1967 Sep. 26, 1967 4.80 80,2006,7
Peak Streamflow Qualification Codes.
  • 6 -- Discharge affected by Regulation or Diversion
  • 7 -- Discharge is an Historic Peak